440494877 has 4 divisors (see below), whose sum is σ = 442051680. Its totient is φ = 438938076.

The previous prime is 440494843. The next prime is 440494883. The reversal of 440494877 is 778494044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440494877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440494807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777977 + ... + 778542.

It is an arithmetic number, because the mean of its divisors is an integer number (110512920).

Almost surely, 2^440494877 is an apocalyptic number.

It is an amenable number.

440494877 is a deficient number, since it is larger than the sum of its proper divisors (1556803).

440494877 is a wasteful number, since it uses less digits than its factorization.

440494877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556802.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 440494877 is about 20987.9698160637. The cubic root of 440494877 is about 760.8755358755.

The spelling of 440494877 in words is "four hundred forty million, four hundred ninety-four thousand, eight hundred seventy-seven".